American Journal of Electromagnetics and Applications
Volume 8, Issue 1, June 2020, Pages: 1-11
Received: Jan. 14, 2020;
Accepted: Jan. 27, 2020;
Published: Feb. 10, 2020
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Zin Mar Phyo, Department of Electronic Engineering, Yangon Technological University, Gyogone, Insein Yangon, Republic of the Union of Myanmar
Tint May Nway, Department of Electronic Engineering, Yangon Technological University, Gyogone, Insein Yangon, Republic of the Union of Myanmar
Khin Kyu Kyu Win, Department of Electronic Engineering, Yangon Technological University, Gyogone, Insein Yangon, Republic of the Union of Myanmar
Hla Myo Tun, Department of Electronic Engineering, Yangon Technological University, Gyogone, Insein Yangon, Republic of the Union of Myanmar
Polarization matching between the transmitter and receivers is an important thing due to the signal losses and multipath fading. In GPS application, L1 Band is commonly used to find the location all over the world. In this research, edge-truncated circularly polarized microstrip patch antenna and slot-loaded circularly polarized microstrip patch antenna are presented. The first design is diagonally fed with a single coaxial probe and the upper edges are truncated to reduce the patch size. This design provides the bandwidth of 79.5 MHz with the axial ratio bandwidth of 26 M Hz. In the second design, the slots are loaded to the patch in order to reduce patch size. The single coaxial diagonal feed is also applied to the patch. This design achieves the bandwidth of 56 MHz and the axial ratio bandwidth is about 22 M Hz. The second design can also provide the size reduction of 18.16%. However, the gain of the second antenna decreases to 3 dB due to its reduced size. As these simulated results, these two designs can be used in L1 Band GPS application. And then, these antenna designs are fabricated and measured the results such as return loss and axial ratio. The characteristics of these fabricated antennas are also applicable for the targeted application.
Zin Mar Phyo,
Tint May Nway,
Khin Kyu Kyu Win,
Hla Myo Tun,
Development of Microstrip Patch Antenna Design for GPS in Myanmar, American Journal of Electromagnetics and Applications.
Vol. 8, No. 1,
2020, pp. 1-11.
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